Hi, I was just referring to your previous post, were you said I should just convert a list of blobs into a binary image. I don't think that will always work. Since I don't know in advance which segments are writing I would have to generate a binary image from an arbitrary segmentation. That in general is the map coloring problem, for which you need up to four colors, given you find a good coloring algorithm. Basically I was wondering if it is not possible to give tesseract a list of contours, that my not even have to be closed. I.e. edges. Well, I will just play around with giving it edge images. But I was just hoping I could go one level deeper, and give tesseract directly a list of contours, as I assume that is what it operates on, in the end.
I don't have good example images ready right now, but as soon as I do I will post them here. Daniel On 15 Nov., 14:44, Dmitri Silaev <[email protected]> wrote: > I don't know either. Sample images are still wanted. In the worst case > it may end up in need to develop your own code, not just a sequence of > ready library calls. > -- > Dmitri > > > > > > > > On Tue, Nov 15, 2011 at 1:13 PM, daniel <[email protected]> wrote: > > Hey, > > > I don't know. How about situations where more than two colors are > > involved. I would have to map the discovered segments to two colors, > > which may even be impossible. And with contours even more so, as the > > contours may not be closed... > > > On 12 Nov., 18:26, Dmitri Silaev <[email protected]> wrote: > >> If you're able to use OpenCV then, given a list of contours or blobs, > >> you should be able to reconstruct a binary image. This is a general > >> thought. To get a more practical advice, send us your sample image(s) > > >> Warm regards, > >> Dmitri Silaevwww.CustomOCR.com > > >> On Sat, Nov 12, 2011 at 4:37 PM, daniel <[email protected]> > >> wrote: > >> > Hi, > > >> > I want to use tesseract to read text off things like posters and > >> > packages. The text will have different colors, there will be images > >> > and other mess, so it seems like a non-standard situation. I thought > >> > it would help if I use some opencv segmentation or contour finding > >> > algorithm instead of the thresholding that tessearact seems to do. > >> > That, however, will not provide a binary image, but a list of > >> > components/contours. How can I feed this to tesseract? > > >> > Best > > >> > Daniel > > >> > -- > >> > You received this message because you are subscribed to the Google > >> > Groups "tesseract-ocr" group. > >> > To post to this group, send email to [email protected] > >> > To unsubscribe from this group, send email to > >> > [email protected] > >> > For more options, visit this group at > >> >http://groups.google.com/group/tesseract-ocr?hl=en > > > -- > > You received this message because you are subscribed to the Google > > Groups "tesseract-ocr" group. > > To post to this group, send email to [email protected] > > To unsubscribe from this group, send email to > > [email protected] > > For more options, visit this group at > >http://groups.google.com/group/tesseract-ocr?hl=en -- You received this message because you are subscribed to the Google Groups "tesseract-ocr" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/tesseract-ocr?hl=en
